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Cassandra Resource Provider for Apache Sling
Initially contributed by Dishara Wijewardana as part of GSoC 2013.
This doc will guide on how to setup Cassandra resource provider with
Sling trunk.
- Pre requisits
You should have maven 3.
Start Cassandra server in back ground.
An up and running Sling launchpad server (build from trunk).
How To:
- Build the source code with Maven 3.x
- Find the jar file inside the target folder.
- Go to OSGi GUI console provided by Sling and install a new OSGi bundle using the above jar.
- Now you will see the bundle is successfully installed.
Now Cassandra Resource Provider is up and running inside sling container.
- Test
Under src/test/java/org/apache/sling/cassandra/test/data/populator, you will find several sample
tests which can run against the running instance. There are tests that includes
Adding/Deleting/Updating/Creating new cassandra resources in sling. And performance tests
under perf package which creates you latency reports on the test runs. Also the newly added
utillity class which is AccessControlUtil which evaluates the priviledges for a user at a
given path (this is just a executable utility class which is not yet in cooperated to proper
Following is a sample code block of Cassandra Resource Provider
String path1 ="/content/cassandra/movies/xmen";
CassandraResourceProvider cassandraResourceProvider = new CassandraResourceProvider();
createColumnFamily("movies", cassandraResourceProvider.getKeyspace(), new StringSerializer());
Map<String,Object> map1 = new HashMap<String, Object>();
map1.put("metadata", "resolutionPathInfo=json");
map1.put("resourceType", "nt:cassandra0");
map1.put("resourceSuperType", "nt:supercass1");
CassandraResourceResolver resolver = new CassandraResourceResolver();
HTTP call to http://localhost:8080/content/cassandra/movies/xmen will return you the json view of it as
we already specified the path to resolve as a json.